@article{BUMI_2011_9_4_3_a3,
     author = {Serrin, James},
     title = {Weakly {Subharmonic} {Function}},
     journal = {Bollettino della Unione matematica italiana},
     pages = {347--361},
     publisher = {mathdoc},
     volume = {Ser. 9, 4},
     number = {3},
     year = {2011},
     zbl = {1236.31006},
     mrnumber = {2906766},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2011_9_4_3_a3/}
}